Commit Graph

53397 Commits

Author SHA1 Message Date
Aurelien Jarno
2f5a5f5774 tcg/mips: fix field extraction opcode
The "msb" argument should correspond to (len - 1).

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2017-05-06 12:48:53 +02:00
Stefan Hajnoczi
dd1559bb26 -----BEGIN PGP SIGNATURE-----
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 =rxGe
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'elmarco/tags/chr-tests-pull-request' into staging

# gpg: Signature made Thu 04 May 2017 12:42:10 PM BST
# gpg:                using RSA key 0xDAE8E10975969CE5
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>"
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>"
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* elmarco/tags/chr-tests-pull-request: (21 commits)
  tests: add /char/console test
  tests: add /char/udp test
  tests: add /char/socket test
  tests: add /char/file test
  tests: add /char/pipe test
  tests: add alias check in /char/ringbuf
  char-udp: flush as much buffer as possible
  char-socket: add 'connected' property
  char-socket: add 'addr' property
  char-socket: update local address after listen
  char-socket: introduce update_disconnected_filename()
  char: useless NULL check
  char: remove chardevs list
  char: remove qemu_chardev_add
  char: use /chardevs container instead of chardevs list
  vl: add todo note about root container cleanup
  char: add a /chardevs container
  container: don't leak container reference
  xen: use a better chardev type check
  mux: simplfy muxes_realize_done
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-05-05 17:07:55 +01:00
Stefan Hajnoczi
f03f9f0c10 Basic support for using channel-attached 3270 'green-screen'
devices via tn3270. Actual handling of the data stream is
 delegated to x3270; more info at http://wiki.qemu.org/Features/3270
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 Version: GnuPG v1
 
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 =kMb4
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Merge remote-tracking branch 'cohuck/tags/s390x-3270-20170504' into staging

Basic support for using channel-attached 3270 'green-screen'
devices via tn3270. Actual handling of the data stream is
delegated to x3270; more info at http://wiki.qemu.org/Features/3270

# gpg: Signature made Thu 04 May 2017 11:36:51 AM BST
# gpg:                using RSA key 0xDECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>"
# gpg:                 aka "Cornelia Huck <cohuck@kernel.org>"
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# gpg:                 aka "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* cohuck/tags/s390x-3270-20170504:
  s390x/3270: Mark non-migratable and enable the device
  s390x/3270: Detect for continued presence of a 3270 client
  s390x/3270: Add the TCP socket events handler for 3270
  s390x/3270: 3270 data stream handling
  s390x/3270: Add emulated terminal3270 device
  s390x/3270: Add abstract emulated ccw-attached 3270 device
  s390x/css: Add an algorithm to find a free chpid
  chardev: Basic support for TN3270

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-05-05 16:56:38 +01:00
Stefan Hajnoczi
4aee86c60a migration/next for 20170504
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 =FAsE
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'quintela/tags/migration/20170504' into staging

migration/next for 20170504

# gpg: Signature made Thu 04 May 2017 10:35:41 AM BST
# gpg:                using RSA key 0xF487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>"
# gpg:                 aka "Juan Quintela <quintela@trasno.org>"
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03  4B82 F487 EF18 5872 D723

* quintela/tags/migration/20170504:
  migration: Extra tracing
  migration: Move postcopy-ram.h to migration/
  monitor: Move hmp_info_snapshots from savevm.c to hmp.c
  monitor: Move hmp_delvm from savevm.c to hmp.c
  monitor: Move hmp_savevm from savevm.c to hmp.c
  monitor: Move hmp_loadvm from monitor.c to hmp.c
  monitor: Remove monitor parameter from save_vmstate
  migration: to_dst_file at that point is NULL
  migration: setup bi-directional I/O channel for exec: protocol
  ram: Split dirty bitmap by RAMBlock

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-05-05 16:52:35 +01:00
Stefan Hajnoczi
bc56fd3a23 audio: cleanups, bugfixes (memory leaks).
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 Version: GnuPG v2.0.22 (GNU/Linux)
 
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 =oBxJ
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'kraxel/tags/pull-audio-20170504-1' into staging

audio: cleanups, bugfixes (memory leaks).

# gpg: Signature made Thu 04 May 2017 08:16:50 AM BST
# gpg:                using RSA key 0x4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* kraxel/tags/pull-audio-20170504-1: (30 commits)
  audio: Use ARRAY_SIZE from qemu/osdep.h
  audio: un-export OPLResetChip
  audio: Remove unused typedefs
  audio: UpdateHandler is not used anymore
  audio: IRQHandler is not used anymore
  audio: OPLSetUpdateHandler is not used anywhere
  audio: OPLSetIRQHandler is not used anywhere
  audio: GUSsample is int16_t
  audio: GUSword is uint16_t
  audio: GUSword is uint16_t
  audio: remove GUSchar
  audio: GUSbyte is uint8_t
  audio: Remove unused fields
  audio: Remove type field
  audio: Remove Unused OPL_TYPE_*
  audio: Unfold OPLSAMPLE
  audio: Remove INT32
  audio: remove INT16
  audio: Remove INT8
  audio: remove UINT32
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-05-05 16:47:16 +01:00
Stefan Hajnoczi
dd76c10f9f input: limit kbd queue depth
input: don't queue delay if paused
 input: Add trace event for empty keyboard queue
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 Version: GnuPG v2.0.22 (GNU/Linux)
 
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 =Rzbi
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'kraxel/tags/pull-input-20170504-1' into staging

input: limit kbd queue depth
input: don't queue delay if paused
input: Add trace event for empty keyboard queue

# gpg: Signature made Thu 04 May 2017 06:48:37 AM BST
# gpg:                using RSA key 0x4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* kraxel/tags/pull-input-20170504-1:
  input: Add trace event for empty keyboard queue
  input: don't queue delay if paused
  input: limit kbd queue depth

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-05-05 16:31:28 +01:00
Stefan Hajnoczi
317134bb54 Openrisc Features and Fixes for qemu 2.10
-----BEGIN PGP SIGNATURE-----
 
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 =zXGN
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'shorne/tags/pull-or-20170504' into staging

Openrisc Features and Fixes for qemu 2.10

# gpg: Signature made Thu 04 May 2017 01:41:45 AM BST
# gpg:                using RSA key 0xC3B31C2D5E6627E4
# gpg: Good signature from "Stafford Horne <shorne@gmail.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: D9C4 7354 AEF8 6C10 3A25  EFF1 C3B3 1C2D 5E66 27E4

* shorne/tags/pull-or-20170504:
  target/openrisc: Support non-busy idle state using PMR SPR
  target/openrisc: Remove duplicate features property
  target/openrisc: Implement full vmstate serialization
  migration: Add VMSTATE_STRUCT_2DARRAY()
  target/openrisc: implement shadow registers
  migration: Add VMSTATE_UINTTL_2DARRAY()
  target/openrisc: add numcores and coreid support
  target/openrisc: Fixes for memory debugging
  target/openrisc: Implement EPH bit
  target/openrisc: Implement EVBAR register
  MAINTAINERS: Add myself as openrisc maintainer

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-05-05 16:21:16 +01:00
Stefan Hajnoczi
4f3652b3aa VFIO fixes 2017-05-03
- Enable 8-byte memory region accesses (Jose Ricardo Ziviani)
  - Fix vfio-pci error message (Dong Jia Shi)
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 Version: GnuPG v2.0.14 (GNU/Linux)
 
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 =Kuvv
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'awilliam/tags/vfio-updates-20170503.0' into staging

VFIO fixes 2017-05-03

 - Enable 8-byte memory region accesses (Jose Ricardo Ziviani)
 - Fix vfio-pci error message (Dong Jia Shi)

# gpg: Signature made Wed 03 May 2017 10:28:55 PM BST
# gpg:                using RSA key 0x239B9B6E3BB08B22
# gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>"
# gpg:                 aka "Alex Williamson <alex@shazbot.org>"
# gpg:                 aka "Alex Williamson <alwillia@redhat.com>"
# gpg:                 aka "Alex Williamson <alex.l.williamson@gmail.com>"
# Primary key fingerprint: 42F6 C04E 540B D1A9 9E7B  8A90 239B 9B6E 3BB0 8B22

* awilliam/tags/vfio-updates-20170503.0:
  vfio/pci: Fix incorrect error message
  vfio: enable 8-byte reads/writes to vfio
  vfio: Set MemoryRegionOps:max_access_size and min_access_size

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-05-05 16:14:15 +01:00
Stefan Hajnoczi
4f225f343a More s390x patches, this time boot related:
- LOADPARM machine property, exposed to the guest via SCLP and
   diagnose 308
 - Use LOADPARM in the s390-ccw bios to select a boot entry
 - Fix a crash in the ipl device code when a virtio-scsi-pci device
   has been specified
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 Version: GnuPG v1
 
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 =fFQl
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'cohuck/tags/s390x-20170502' into staging

More s390x patches, this time boot related:
- LOADPARM machine property, exposed to the guest via SCLP and
  diagnose 308
- Use LOADPARM in the s390-ccw bios to select a boot entry
- Fix a crash in the ipl device code when a virtio-scsi-pci device
  has been specified

# gpg: Signature made Tue 02 May 2017 02:29:26 PM BST
# gpg:                using RSA key 0xDECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>"
# gpg:                 aka "Cornelia Huck <cohuck@kernel.org>"
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# gpg:                 aka "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* cohuck/tags/s390x-20170502:
  hw/s390x/ipl: Fix crash with virtio-scsi-pci device
  pc-bios/s390-ccw.img: update image
  pc-bios/s390-ccw: add boot entry selection to El Torito routine
  pc-bios/s390-ccw: add boot entry selection for ECKD DASD
  pc-bios/s390-ccw: provide entry selection on LOADPARM for SCSI disk
  pc-bios/s390-ccw: provide a function to interpret LOADPARM value
  pc-bios/s390-ccw: get LOADPARM stored in SCP Read Info
  pc-bios/s390-ccw: Make ebcdic/ascii conversion public
  util/qemu-config: Add loadparm to qemu machine_opts
  hw/s390x/sclp: update LOADPARM in SCP Info
  hw/s390x/ipl: enable LOADPARM in IPIB for a boot device
  hw/s390x: provide loadparm property for the machine

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-05-05 16:00:03 +01:00
Felipe Franciosi
95615ce5a1 vhost-scsi: create a vhost-scsi-common abstraction
In order to introduce a new vhost-user-scsi host device type, it makes
sense to abstract part of vhost-scsi into a common parent class. This
commit does exactly that.

Signed-off-by: Felipe Franciosi <felipe@nutanix.com>
Message-Id: <1488479153-21203-3-git-send-email-felipe@nutanix.com>
2017-05-05 12:10:00 +02:00
Felipe Franciosi
eae0f54334 libvhost-user: replace vasprintf() to fix build
On gcc 3.4 and newer, simply using (void) in front of WUR functions is
not sufficient to ignore the return value. That prevents a build when
handling warnings as errors.

libvhost-user had a usage of (void)vasprintf() which triggered such a
condition. This fixes it by replacing this call with g_strdup_vprintf()
which aborts on OOM.

Signed-off-by: Felipe Franciosi <felipe@nutanix.com>
Message-Id: <1488479153-21203-2-git-send-email-felipe@nutanix.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2017-05-05 12:10:00 +02:00
Joe Perches
622e42a71f get_maintainer: add subsystem to reviewer output
Reviewer output currently does not include the subsystem
that matched.  Add it.

Miscellanea:

o Add a get_subsystem_name routine to centralize this

Cherry picked from Linux commit 2a7cb1dc82fc2a52e747b4c496c13f6575fb1790.

Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-05-05 12:10:00 +02:00
Brian Norris
9ff3a5e677 get_maintainer: --r (list reviewer) is on by default
We don't consistenly document the default value next to the option
listing, but we do have a list of defaults here, so let's keep it up to
date.

Cherry picked from Linux commit 4f07510df2e8c47fd65b8ffaaf6c5d334d59d598.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-05-05 12:10:00 +02:00
Brian Norris
7a6ae2cffc get_maintainer: it's '--pattern-depth', not '-pattern-depth'
Though it appears that Perl's GetOptions will take either, the latter is
not documented in the options listing.

Cherry picked from Linux commit cc7ff0ef6eca3deeea4a424ca47a67c8450d5424.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-05-05 12:10:00 +02:00
Joe Perches
6668a2af21 get_maintainer: Teach get_maintainer.pl about the new "R:" tag
We can now designate reviewers in the MAINTAINERS file with the new
"R:" tag, so this commit teaches get_maintainers.pl to add their
email addresses.

Cherry picked from Linux commit c1c3f2c906e35bcb6e4cdf5b8e077660fead14fe,
with fixes to avoid \C as in QEMU commit ba10f729f1 ("get_maintainer.pl:
\C is deprecated", 2015-09-25).

Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-05-05 12:10:00 +02:00
Paul E. McKenney
fdf6fab4df MAINTAINERS: Add "R:" tag for self-appointed reviewers
Some people are not content with the amount of mail they get, and would
like to be CCed on patches for areas they do not maintain.  Let them
satisfy their own appetite for qemu-devel messages.

Seriously: the purpose here is a bit different from the Linux kernel.
While Linux uses "R" to designate non-maintainers for reviewing patches
in a given area, in QEMU I would also like to use "R" so that people can
delegate sending pull requests while keeping some degree of oversight.

Based on Linux commit eafbaac3093760d1fd3b2a5b9f016362dd68af36.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-05-05 12:10:00 +02:00
Thomas Huth
bde4d9205e Fix the -accel parameter and the documentation for 'hax'
Since 'hax' is a possible accelerator nowadays, too, the '-accel'
option should support it and we should mention this accelerator
in the documentation, too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1493875481-16388-1-git-send-email-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-05-05 12:10:00 +02:00
Fam Zheng
6796b4008b dump: Acquire BQL around vm_start() in dump thread
This fixes an assertion failure in the following backtrace:

    __GI___assert_fail
    memory_region_transaction_commit
    memory_region_add_eventfd
    virtio_pci_ioeventfd_assign
    virtio_bus_set_host_notifier
    virtio_blk_data_plane_start
    virtio_bus_start_ioeventfd
    virtio_vmstate_change
    vm_state_notify
    vm_prepare_start
    vm_start
    dump_cleanup
    dump_process
    dump_thread
    start_thread
    clone

vm_start need BQL, acquire it if doing cleaning up from main thread.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170503072819.14462-1-famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-05-05 12:10:00 +02:00
Yu Ning
8a3c3d996e hax: Fix memory mapping de-duplication logic
hax_update_mapping() avoids unnecessary and potentially expensive
calls to HAX_VM_IOCTL_SET_RAM by computing the net result (i.e.
effective mapping changes) of each MemoryRegion transaction, with
the help of a linked list of HAXMapping objects.

However, when processing a new mapping that overlaps with an
existing mapping in the list, it fails to handle the case where the
start address of the new mapping is above that of the existing
mapping in the guest physical address space. This happens when QEMU
is launched with "-machine q35 -enable-hax", which involves the
following MemoryRegion transaction for digging the VGA hole:

 region_del: 0x00000000->0x08000000 VA 05fa0000 ('pc.ram')
 region_add: 0x00000000->0x000a0000 VA 05fa0000 ('pc.ram')
 region_add: 0x000a0000->0x000c0000 VA 00000000 ('vga-lowmem')
 region_add: 0x000c0000->0x08000000 VA 06060000 ('pc.ram')

where the third MemoryRegion is MMIO and is ignored. The current
de-duplication logic handles the last MemoryRegion incorrectly and
produces the following result:

 hax_mapping_dump_list updates:
         + 0x000c0000->0x08000000 VA 0x06060000
         - 0x07fe0000->0x08000000 VA 0x0df80000

which is why VGA emulation does not work for Q35.

With this patch, one can see VGA output as Q35 boots up. Note that
Q35 support also requires a change to HAXM kernel module, which is
not available in the current HAXM release (6.1.2).

+ Add a warning if the input MemoryRegion is a ROM device, which is
  not supported by HAXM kernel module at this time.

Signed-off-by: Yu Ning <yu.ning@linux.intel.com>
Message-Id: <20170428072723.7036-1-yu.ning@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-05-05 12:10:00 +02:00
Dr. David Alan Gilbert
6e9389563e checkpatch: Disallow glib asserts in main code
Glib commit a6a875068779 (from 2013) made many of the glib assert
macros non-fatal if a flag is set.
This causes two problems:
  a) Compilers moan that your code is unsafe even though you've
     put an assert in before the point of use.
  b) Someone evil could, in a library, call
     g_test_set_nonfatal_assertions() and cause our assertions in
     important places not to fail and potentially allow memory overruns.

Ban most of the glib assertion functions (basically everything except
g_assert and g_assert_not_reached) except in tests/

This makes checkpatch gives an error such as:

  ERROR: Use g_assert or g_assert_not_reached
  #77: FILE: vl.c:4725:
  +    g_assert_cmpstr("Chocolate", >, "Cheese");

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20170427165526.19836-1-dgilbert@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-05-05 12:09:59 +02:00
Jose Ricardo Ziviani
31f5a726b5 trace: add qemu mutex lock and unlock trace events
These trace events were very useful to help me to understand and find a
reordering issue in vfio, for example:

qemu_mutex_lock locked mutex 0x10905ad8
  vfio_region_write  (0001:03:00.0:region1+0xc0, 0x2020c, 4)
qemu_mutex_unlock unlocked mutex 0x10905ad8
qemu_mutex_lock locked mutex 0x10905ad8
  vfio_region_write  (0001:03:00.0:region1+0xc4, 0xa0000, 4)
qemu_mutex_unlock unlocked mutex 0x10905ad8

that also helped me to see the desired result after the fix:

qemu_mutex_lock locked mutex 0x10905ad8
  vfio_region_write  (0001:03:00.0:region1+0xc0, 0x2000c, 4)
  vfio_region_write  (0001:03:00.0:region1+0xc4, 0xb0000, 4)
qemu_mutex_unlock unlocked mutex 0x10905ad8

So it could be a good idea to have these traces implemented. It's worth
mentioning that they should be surgically enabled during the debugging,
otherwise it can flood the trace logs with lock/unlock messages.

How to use it:
trace-event qemu_mutex_lock on|off
trace-event qemu_mutex_unlock on|off
or
trace-event qemu_mutex* on|off

Signed-off-by: Jose Ricardo Ziviani <joserz@linux.vnet.ibm.com>
Message-Id: <1493054398-26013-1-git-send-email-joserz@linux.vnet.ibm.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
[Also handle trylock, cond_wait and win32; trace "unlocked" while still
 in the critical section, so that "unlocked" always comes before the
 next "locked" tracepoint. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-05-05 12:09:59 +02:00
P J P
f68826989c vmw_pvscsi: check message ring page count at initialisation
A guest could set the message ring page count to zero, resulting in
infinite loop. Add check to avoid it.

Reported-by: YY Z <bigbird475958471@gmail.com>
Signed-off-by: P J P <ppandit@redhat.com>
Message-Id: <20170425130623.3649-1-ppandit@redhat.com>
Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-05-05 12:09:59 +02:00
Paolo Bonzini
c8c33fca88 sgabios: update for "fix wrong video attrs for int 10h,ah==13h"
Update the submodule and rebuild the binary.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-05-05 12:09:59 +02:00
Prasad J Pandit
24dfa9fa2f scsi: avoid an off-by-one error in megasas_mmio_write
While reading magic sequence(MFI_SEQ) in megasas_mmio_write,
an off-by-one error could occur as 's->adp_reset' index is not
reset after reading the last sequence.

Reported-by: YY Z <bigbird475958471@gmail.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-Id: <20170424120634.12268-1-ppandit@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-05-05 12:09:59 +02:00
Thomas Huth
aab9e87e7a vl: deprecate the "-hdachs" option
If the user needs to specify the disk geometry, the corresponding
parameters of the "-device ide-hd" option should be used instead.
"-hdachs" is considered as deprecated and might be removed soon.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1493270454-1448-1-git-send-email-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-05-05 12:09:59 +02:00
Andreas Grapentin
49e00a1870 use _Static_assert in QEMU_BUILD_BUG_ON
QEMU_BUILD_BUG_ON should use C11's _Static_assert, if the compiler supports it,
to provide more readable messages on failure.

We check for _Static_assert in configure, and set CONFIG_STATIC_ASSERT
accordingly. QEMU_BUILD_BUG_ON invokes _Static_assert if CONFIG_STATIC_ASSERT
is defined, and reverts to the old way otherwise.

That way, systems without C11 conforming compiler will still have the old
messages, as verified by intentionally breaking the configure check.

the following example output was generated by inverting the condition in
QEMU_BUILD_BUG_ON:

without _Static_assert:

> In file included from /qemu/include/qemu/osdep.h:36:0,
>                  from /qemu/qga/commands.c:13:
> /qemu/qga/commands.c: In function ‘qmp_guest_exec_status’:
> /qemu/include/qemu/compiler.h:89:12: error: negative width in bit-field ‘<anonymous>’
>      struct { \
>             ^
> /qemu/include/qemu/compiler.h:96:38: note: in expansion of macro  QEMU_BUILD_BUG_ON_STRUCT’
>  #define QEMU_BUILD_BUG_ON(x) typedef QEMU_BUILD_BUG_ON_STRUCT(x) \
>                                       ^~~~~~~~~~~~~~~~~~~~~~~~
> /qemu/include/qemu/atomic.h:146:5: note: in expansion of macro ‘QEMU_BUILD_BUG_ON’
>      QEMU_BUILD_BUG_ON(sizeof(*ptr) > sizeof(void *));   \
>      ^~~~~~~~~~~~~~~~~
> /qemu/include/qemu/atomic.h:417:5: note: in expansion of macro ‘atomic_load_acquire’
>      atomic_load_acquire(ptr)
>      ^~~~~~~~~~~~~~~~~~~
> /qemu/qga/commands.c:160:21: note: in expansion of macro ‘atomic_mb_read’
>      bool finished = atomic_mb_read(&gei->finished);
>                      ^~~~~~~~~~~~~~

with _Static_assert:

> In file included from /qemu/include/qemu/osdep.h:36:0,
>                  from /qemu/qga/commands.c:13:
> /qemu/qga/commands.c: In function ‘qmp_guest_exec_status’:
> /qemu/include/qemu/compiler.h:94:30: error: static assertion failed: "not expecting: sizeof(*&gei->finished) > sizeof(void *)"
>  #define QEMU_BUILD_BUG_ON(x) _Static_assert((x), #x)
>                               ^
> /qemu/include/qemu/atomic.h:146:5: note: in expansion of macro ‘QEMU_BUILD_BUG_ON’
>      QEMU_BUILD_BUG_ON(sizeof(*ptr) > sizeof(void *));   \
>      ^~~~~~~~~~~~~~~~~
> /qemu/include/qemu/atomic.h:417:5: note: in expansion of macro ‘atomic_load_acquire’
>      atomic_load_acquire(ptr)
>      ^~~~~~~~~~~~~~~~~~~
> /qemu/qga/commands.c:160:21: note: in expansion of macro ‘atomic_mb_read’
>      bool finished = atomic_mb_read(&gei->finished);
>                      ^~~~~~~~~~~~~~

Signed-off-by: Andreas Grapentin <andreas@grapentin.org>
Message-Id: <20170314165953.18506-1-andreas@grapentin.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-05-05 12:09:59 +02:00
Abdallah Bouassida
00fcd100c3 target/i386: Add GDB XML register description support
This patch implements XML target description support for X86 and X86-64
architectures in the GDB stub, as the way with ARM and PowerPC:
- gdb-xml/32bit-core.xml & gdb-xml/64bit-core.xml: Adding the XML target
  description files, these files are picked from GDB source code.
- configure: Define gdb_xml_files for X86 targets.
- target/i386/cpu.c: Define gdb_core_xml_file and gdb_arch_name to add
  XML awareness for this architecture, modify the gdb_num_core_regs to
  fit the registers number defined in each XML file.

Signed-off-by: Abdallah Bouassida <abdallah.bouassida@lauterbach.com>
Message-Id: <2b3c8119-1602-28c7-eab4-296593877103@lauterbach.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-05-05 12:09:59 +02:00
Mark Cave-Ayland
8eb57ae3f9 cg3: add explicit ram_addr_t cast to scanline page variable
Coverity warns that multiplying two 32-bit values gives a 32-bit result which
is assigned to a 64-bit variable. Add an explicit ram_addr_t cast to silence
the warning.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-05-05 09:49:00 +01:00
Mark Cave-Ayland
b290f3b12e tcx: fix cut/paste error in update_palette_entries()
Commit ee72bed0 "tcx: remove primitives for non-32-bit surfaces" accidentally
left a trailing break in update_palette_entries() causing the palette update
routine to exit after just one iteration. Remove it.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2017-05-05 09:48:32 +01:00
Stefan Hajnoczi
12a95f320a Block layer patches
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Merge remote-tracking branch 'kwolf/tags/for-upstream' into staging

Block layer patches

# gpg: Signature made Fri 28 Apr 2017 09:20:17 PM BST
# gpg:                using RSA key 0x7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* kwolf/tags/for-upstream: (34 commits)
  progress: Show current progress on SIGINFO
  iotests: fix exclusion option
  iotests: clarify help text
  qemu-img: use blk_co_pwrite_zeroes for zero sectors when compressed
  qemu-img: improve convert_iteration_sectors()
  block: assert no image modification under BDRV_O_INACTIVE
  block: fix obvious coding style mistakes in block_int.h
  qcow2: Allow discard of final unaligned cluster
  block: Add .bdrv_truncate() error messages
  block: Add errp to BD.bdrv_truncate()
  block: Add errp to b{lk,drv}_truncate()
  block/vhdx: Make vhdx_create() always set errp
  qemu-img: Document backing options
  qemu-img/convert: Move bs_n > 1 && -B check down
  qemu-img/convert: Use @opts for one thing only
  block: fix alignment calculations in bdrv_co_do_zero_pwritev
  block: Do not unref bs->file on error in BD's open
  iotests: 109: Filter out "len" of failed jobs
  iotests: Fix typo in 026
  Issue a deprecation warning if the user specifies the "-hdachs" option.
  ...

Message-id: 1493411622-5343-1-git-send-email-kwolf@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-05-04 13:44:32 +01:00
Marc-André Lureau
79c8db5a13 tests: add /char/console test
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-05-04 15:34:42 +04:00
Marc-André Lureau
bb1490486d tests: add /char/udp test
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-05-04 15:34:42 +04:00
Marc-André Lureau
d47fb5d17c tests: add /char/socket test
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-05-04 15:34:42 +04:00
Marc-André Lureau
9dbaa4ce58 tests: add /char/file test
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-05-04 15:34:42 +04:00
Marc-André Lureau
a86c83d704 tests: add /char/pipe test
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-05-04 15:34:42 +04:00
Marc-André Lureau
e24ef0db4f tests: add alias check in /char/ringbuf
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-05-04 15:34:42 +04:00
Marc-André Lureau
e0b6767b6c char-udp: flush as much buffer as possible
Instead of flushing the buffer byte by byte, call qemu_chr_be_write()
with as much byte possible accepted by the front-end.

Factor out buffer flushing in a common function udp_chr_flush_buffer().

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-05-04 15:34:41 +04:00
Marc-André Lureau
da2d19b080 char-socket: add 'connected' property
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-05-04 15:34:41 +04:00
Marc-André Lureau
123676e989 char-socket: add 'addr' property
Add a property to lookup the connection details.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-05-04 15:34:41 +04:00
Marc-André Lureau
bc763d7144 char-socket: update local address after listen
This is mainly useful to know the actual bound port when using port 0.

For example, when starting qemu with socket on port 0, before:
QEMU waiting for connection on: disconnected:tcp:localhost:0,server
After:
QEMU waiting for connection on: disconnected:tcp:localhost:32454,server

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-05-04 15:34:41 +04:00
Marc-André Lureau
bbcde969b2 char-socket: introduce update_disconnected_filename()
This helper will be used in yet another place in the following patch.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-05-04 15:34:41 +04:00
Marc-André Lureau
e1f98fe48a char: useless NULL check
g_strdup(NULL) returns NULL already.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-05-04 15:34:41 +04:00
Marc-André Lureau
1e13edf355 char: remove chardevs list
The list is now empty, the chardev cleanup is taken care of by the unref
of the root container.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-05-04 15:34:41 +04:00
Marc-André Lureau
c5749f7c0b char: remove qemu_chardev_add
qemu_chardev_new() now uses object_new_with_props() with /chardevs
parent container. It will fail to insert the object if the same "id"
already exists. "chardevs" list usage has been removed in previous
commits.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-05-04 15:34:41 +04:00
Marc-André Lureau
6061162e52 char: use /chardevs container instead of chardevs list
Use object_resolve_path_component() and object_child_foreach() on
/chardevs container instead of iterating over chardevs list.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-05-04 15:34:41 +04:00
Marc-André Lureau
474628e837 vl: add todo note about root container cleanup
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-05-04 15:34:41 +04:00
Marc-André Lureau
2f5d45a150 char: add a /chardevs container
Add a /chardevs container object to hold the list of chardevs.
(Note: QTAILQ chardevs is going away in the following commits)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-05-04 15:34:41 +04:00
Marc-André Lureau
f8df5f9221 container: don't leak container reference
object_property_add_child() references the child, unref it after to
avoid ref leaks.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-05-04 15:34:41 +04:00
Marc-André Lureau
315dd72d75 xen: use a better chardev type check
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-05-04 15:34:41 +04:00
Marc-André Lureau
bed3bb9b7e mux: simplfy muxes_realize_done
mux_chr_event() already send events to all backends, rename it,
export it, and use it from muxes_realize_done. This should help abstract
away mux implementation.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-05-04 15:34:41 +04:00